v3.26.1
SECURITIES - Securities in a Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]    
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Estimated Fair Value $ 531,416 $ 435,417
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses (9,588) (3,494)
Securities in a Continuous Unrealized Loss Position, More than 12 Months, Estimated Fair Value 835,105 910,018
Securities in a Continuous Unrealized Loss Position, More than 12 Months Unrealized Losses (108,356) (99,424)
Securities in a Continuous Unrealized Loss Position, Total Estimated Fair Value 1,366,521 1,345,435
Securities in a Continuous Unrealized Loss Position, Total Unrealized Losses (117,944) (102,918)
U.S. government and agency securities    
Debt Securities, Available-for-sale [Line Items]    
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Estimated Fair Value 11,911 185,275
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses (184) (180)
Securities in a Continuous Unrealized Loss Position, More than 12 Months, Estimated Fair Value 47,236 51,684
Securities in a Continuous Unrealized Loss Position, More than 12 Months Unrealized Losses (2,032) (2,203)
Securities in a Continuous Unrealized Loss Position, Total Estimated Fair Value 59,147 236,959
Securities in a Continuous Unrealized Loss Position, Total Unrealized Losses (2,216) (2,383)
Municipal securities    
Debt Securities, Available-for-sale [Line Items]    
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Estimated Fair Value 12,226 6,091
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses (889) (725)
Securities in a Continuous Unrealized Loss Position, More than 12 Months, Estimated Fair Value 165,897 170,400
Securities in a Continuous Unrealized Loss Position, More than 12 Months Unrealized Losses (23,500) (21,844)
Securities in a Continuous Unrealized Loss Position, Total Estimated Fair Value 178,123 176,491
Securities in a Continuous Unrealized Loss Position, Total Unrealized Losses (24,389) (22,569)
Agency mortgage-backed pass-through securities    
Debt Securities, Available-for-sale [Line Items]    
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Estimated Fair Value 338,489 157,352
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses (5,617) (1,390)
Securities in a Continuous Unrealized Loss Position, More than 12 Months, Estimated Fair Value 234,061 279,693
Securities in a Continuous Unrealized Loss Position, More than 12 Months Unrealized Losses (29,750) (27,987)
Securities in a Continuous Unrealized Loss Position, Total Estimated Fair Value 572,550 437,045
Securities in a Continuous Unrealized Loss Position, Total Unrealized Losses (35,367) (29,377)
Agency collateralized mortgage obligations    
Debt Securities, Available-for-sale [Line Items]    
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Estimated Fair Value 147,257 65,444
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses (2,430) (1,006)
Securities in a Continuous Unrealized Loss Position, More than 12 Months, Estimated Fair Value 338,541 357,857
Securities in a Continuous Unrealized Loss Position, More than 12 Months Unrealized Losses (48,577) (42,931)
Securities in a Continuous Unrealized Loss Position, Total Estimated Fair Value 485,798 423,301
Securities in a Continuous Unrealized Loss Position, Total Unrealized Losses (51,007) (43,937)
Corporate bonds and other    
Debt Securities, Available-for-sale [Line Items]    
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Estimated Fair Value 21,533 21,255
Securities in a Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses (468) (193)
Securities in a Continuous Unrealized Loss Position, More than 12 Months, Estimated Fair Value 49,370 50,384
Securities in a Continuous Unrealized Loss Position, More than 12 Months Unrealized Losses (4,497) (4,459)
Securities in a Continuous Unrealized Loss Position, Total Estimated Fair Value 70,903 71,639
Securities in a Continuous Unrealized Loss Position, Total Unrealized Losses $ (4,965) $ (4,652)